freebsd-dev/contrib/netbsd-tests/fs/tmpfs/t_vnd.sh
Enji Cooper 99429157e8 sys/fs/tmpfs/vnd_test: make md(4) allocation dynamic
The previous logic was flawed in the sense that it assumed that /dev/md3
was always available. This was a caveat I noted in r306038, that I hadn't
gotten around to solving before now.

Cache the device for the mountpoint after executing mdmfs, then use the
cached value in basic_cleanup(..) when unmounting/disconnecting the md(4)
device.

Apply sed expressions to use reuse logic in the NetBSD code that could
also be applied to FreeBSD, just with different tools.

Differential Revision:	D10766
MFC after:	1 week
Reviewed by:	bdrewery
Sponsored by:	Dell EMC Isilon
2017-05-19 17:14:29 +00:00

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# $NetBSD: t_vnd.sh,v 1.9 2016/07/29 05:23:24 pgoyette Exp $
#
# Copyright (c) 2006, 2007, 2008 The NetBSD Foundation, Inc.
# All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
#
# Verifies that vnd works with files stored in tmpfs.
#
# Begin FreeBSD
MD_DEVICE_FILE=md.device
# End FreeBSD
atf_test_case basic cleanup
basic_head() {
atf_set "descr" "Verifies that vnd works with files stored in tmpfs"
atf_set "require.user" "root"
}
basic_body() {
test_mount
atf_check -s eq:0 -o ignore -e ignore \
dd if=/dev/zero of=disk.img bs=1m count=10
# Begin FreeBSD
if true; then
atf_check -s eq:0 -o empty -e empty mkdir mnt
atf_check -s eq:0 -o empty -e empty mdmfs -F disk.img md mnt
md_dev=$(df mnt | awk 'NR != 1 { print $1 }' | xargs basename)
atf_check test -c /dev/$md_dev # Sanity check
echo -n $md_dev > $TMPDIR/$MD_DEVICE_FILE
else
# End FreeBSD
atf_check -s eq:0 -o empty -e empty vndconfig /dev/vnd3 disk.img
atf_check -s eq:0 -o ignore -e ignore newfs /dev/rvnd3a
atf_check -s eq:0 -o empty -e empty mkdir mnt
atf_check -s eq:0 -o empty -e empty mount /dev/vnd3a mnt
# Begin FreeBSD
fi
# End FreeBSD
echo "Creating test files"
for f in $(jot -w %u 100 | uniq); do
jot 1000 >mnt/${f} || atf_fail "Failed to create file ${f}"
done
echo "Verifying created files"
for f in $(jot -w %u 100 | uniq); do
[ $(md5 mnt/${f} | cut -d ' ' -f 4) = \
53d025127ae99ab79e8502aae2d9bea6 ] || \
atf_fail "Invalid checksum for file ${f}"
done
atf_check -s eq:0 -o empty -e empty umount mnt
atf_check -s eq:0 -o empty -e empty vndconfig -u /dev/vnd3
test_unmount
touch done
}
basic_cleanup() {
# Begin FreeBSD
if md_dev=$(cat $TMPDIR/$MD_DEVICE_FILE); then
echo "Will try disconnecting $md_dev"
else
echo "$MD_DEVICE_FILE doesn't exist in $TMPDIR; returning early"
return 0
fi
# End FreeBSD
if [ ! -f done ]; then
umount mnt 2>/dev/null 1>&2
vndconfig -u /dev/vnd3 2>/dev/null 1>&2
fi
}
atf_init_test_cases() {
. $(atf_get_srcdir)/../h_funcs.subr
. $(atf_get_srcdir)/h_funcs.subr
atf_add_test_case basic
}